Hitachi RAC-70YH7 Service Manual page 45

Final set temperature
(Cooling/dehumidifying set
temperature (+) sleep shift)
(Cooling/dehumidifying set
temperature = Remote control set
temperature (+) SHIFTC)
Sleep key
Operation lamp
Timer lamp
Hi
Indoor
Med
fan
Lo
Silent (Sleep)
Outdoor fan
Horizontal air
Shut
deflector
Horizontal
Facing down
Notes:
(1) The sleep operation starts when the sleep key is pressed.
(2) When the sleep key is set, the maximum compressor speed is limited, and the indoor fan is set to "sleep Lo".
(3) 30 minutes after the sleep key is set, the sleep shift of temperature starts, and upper shift is made at least 6 times.
If 25˚C is not reached after 6 shifts, shifts repeat unit 25˚C is reached.
(4) The sleep shift upper value of set temperature is 28˚C.
(5) After 6 hours, a shift down to the initial set temperature is made at a rate of 0.33˚C/5 min.
(6) If the operation mode is changed during sleep operation, the set temperature is cleared, and shift starts from the point
when switching is made.
(7) The indoor fan speed does not change even when the fan speed mode is changed.
(8) When operation is stopped during sleep operation, the set temperature when stopped, as well as the time, continue
to be counted.
(9) If the set time is changed during sleep operation, all data including set temperature, time, etc. is cleared and restarted.
(10) If sleep operation is canceled by the cancel key or sleep key, all data is cleared.
Silent (Sleep)
Cooling Sleep Operation
0.5hr 1.5hr
Set to 7 hours
See basic operation
Lo
– 51 –
2.5hr 3.5hr
3hr
Maximum speed
P1
6hr 7hr
10 mins